UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'exPO4XJ6QIpA4EAf74IYWApsIrUNFlRAIDdJEpHPOLY=' 
WHERE 
  key_id = '37a6c74cdb0adb2c92a81ab1036672be760268dcb284c36e8c843b3cc85aaf17' 
  AND (
    token = 'exPO4XJ6QIpA4EAf74IYWApsIrUNFlRAIDdJEpHPOLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )